John Heifner is a Nephrology physician.
Overview
Scholarship
indexed output and impact (OpenAlex)Research metrics aren't shown for this record. Either we found no confident publication match for this name, or more than one physician shares the matched author record. We'd rather show nothing than someone else's numbers. Why? →
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
9601 Baptist Health Dr Ste 400
Little Rock, AR 722056399
Telephone
501-224-2141Registry record last updated 2 May 2019.
Industry payments
11 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Fresenius USA Marketing, Inc.Program year20253 payments
- Vifor Pharma, Inc.Program year20252 payments
- NxStage Medical, Inc.Program year20252 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Similar KOLs
Other experts from the same institution or the same specialty.
Giuseppe Remuzzi
Mario Negri Institute for Pharmacological Research
Marcello Tonelli
University of Calgary
Johan Ärnlöv
Dalarna University
Juan Jesús Carrero
Danderyds sjukhus
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”